Double Air Release Valves are available with common connection to the main, small orifice function being similar to that of a single air valve. The Valves are suitable for automatically exhausting air when a pipe is being filled with water, or automatically ventilating a pipe when it is being emptied of water. The Valves are available in various sizes such as 40", 50", 80", 100", 150", and 200". The Double Air Release Valves are durable that ensures long lasting life.
